Error handling user input

Error handling user input

References

Reference NO 1

http://stackoverflow.com/questions/1283302/user-input-of-integers-error-handling

Reference NO 2

http://stackoverflow.com/questions/1614945/is-invalid-user-input-a-valid-reason-for-throwing-an-exception

Reference NO 3

http://www.daniweb.com/software-development/java/threads/381266/exception-handling-with-user-input

Reference NO 4

http://docs.python.org/tutorial/errors.html

Reference NO 5

http://ux.stackexchange.com/questions/42416/how-to-handle-user-input-error-handling-on-signup-form

Reference NO 6

http://www.functionx.com/cpp/Lesson18.htm

Reference NO 7

http://www.haskell.org/haskellwiki/Error_vs._Exception

Reference NO 8

http://msdn.microsoft.com/en-us/library/aa289505(v=vs.71).aspx